Home / 2,927.91-4,040.46-1,601.61

Finding the Fourth Proportional to 2,927.91, 4,040.46 and 1,601.61

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Solution

The fourth proportional to 2,927.91, 4,040.46 and 1,601.61 is: 2,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.91 : 4,040.46 = 1,601.61 : x
  2. Step 2: Convert to fraction form
    2,927.91/4,040.46 = 1,601.61/x
  3. Step 3: Cross multiply
    2,927.91x = 4,040.46 × 1,601.61
  4. Step 4: Simplify right side
    2,927.91x = 6,471,241.14
  5. Step 5: Solve for x
    x = 6,471,241.14/2,927.91
  6. Step 6: Final answer
    x = 2,210.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.